edited by Rodney M. Feldmann and Merrianne Hackathorn Bulletin 70: Fossils of Ohio covers all major groups and some minor groups of Ohio fossils and is written for both the beginner and the professional. The bulletin overviews the state's geology...

Get your Dunk on! This super-soft t-shirt features Ohio's official State Fossil Fish, Dunkleosteus terrelli ("the Dunk"). Made using a cotton/poly fabric in charcoal gray. Adult sizes are available in S through 3XL. Youth sizes are available in XS through...

by Ernest H. Carlson Bulletin 69: Minerals of Ohio (2nd edition) is designed for a wide audience, from rock hounds to experienced mineralogists and examines 55 mineral species found throughout the state. The hard-cover book features a beautiful fluorite specimen,...

by C. E. Sherman This book comprises the final report by C. E. Sherman as part of the Ohio Cooperative Topographic Survey. It details the various systems of surveying employed in Ohio to define land boundaries. The book is of...

Designed for young learners, the 24-page book provides information and activities on the geology of Ohio from the Ordovician Period through the Ice Age. Activities include mazes, word searches, fill-in-the-blanks, connect-the-dots, and scenes for coloring. Topics include rocks and minerals,...